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Finding the Fourth Proportional to 3,194.99, 4,408.98 and 1,797.47

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Solution

The fourth proportional to 3,194.99, 4,408.98 and 1,797.47 is: 2,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.99 : 4,408.98 = 1,797.47 : x
  2. Step 2: Convert to fraction form
    3,194.99/4,408.98 = 1,797.47/x
  3. Step 3: Cross multiply
    3,194.99x = 4,408.98 × 1,797.47
  4. Step 4: Simplify right side
    3,194.99x = 7,925,009.79
  5. Step 5: Solve for x
    x = 7,925,009.79/3,194.99
  6. Step 6: Final answer
    x = 2,480.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.